package com.walmartlabs.concord.plugins.throwex;

/*-
 * *****
 * Concord
 * -----
 * Copyright (C) 2017 - 2018 Walmart Inc.
 * -----
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * =====
 */

import com.walmartlabs.concord.sdk.Task;
import com.walmartlabs.concord.sdk.UserDefinedException;

import javax.inject.Named;
import java.io.Serializable;

@Named("throw")
public class ThrowExceptionTask implements Task {

    public void call(Object o) throws Exception {
        if (o instanceof Exception) {
            throw (Exception) o;
        } else if (o instanceof String) {
            throw new UserDefinedException(o.toString());
        } else if (o instanceof Serializable) {
            throw new ConcordException("Process error", (Serializable) o);
        } else {
            throw new UserDefinedException(o != null ? o.toString() : "n/a");
        }
    }
}
